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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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29
src/backend/commands/proclang.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/proclang.c,v 1.29 2002/02/18 23:11:11 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/proclang.c,v 1.30 2002/04/09 20:35:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -18,12 +18,15 @@
#include "access/heapam.h"
#include "catalog/catname.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/pg_language.h"
#include "catalog/pg_proc.h"
#include "commands/proclang.h"
#include "fmgr.h"
#include "miscadmin.h"
#include "parser/parse_func.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/syscache.h"
@ -50,15 +53,13 @@ void
CreateProceduralLanguage(CreatePLangStmt *stmt)
{
char languageName[NAMEDATALEN];
HeapTuple procTup;
Oid procOid;
Oid typev[FUNC_MAX_ARGS];
char nulls[Natts_pg_language];
Datum values[Natts_pg_language];
Relation rel;
HeapTuple tup;
TupleDesc tupDesc;
int i;
/*
@ -83,18 +84,14 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
* Lookup the PL handler function and check that it is of return type
* Opaque
*/
memset(typev, 0, sizeof(typev));
procTup = SearchSysCache(PROCNAME,
PointerGetDatum(stmt->plhandler),
Int32GetDatum(0),
PointerGetDatum(typev),
0);
if (!HeapTupleIsValid(procTup))
MemSet(typev, 0, sizeof(typev));
procOid = LookupFuncName(stmt->plhandler, 0, typev);
if (!OidIsValid(procOid))
elog(ERROR, "PL handler function %s() doesn't exist",
stmt->plhandler);
if (((Form_pg_proc) GETSTRUCT(procTup))->prorettype != InvalidOid)
NameListToString(stmt->plhandler));
if (get_func_rettype(procOid) != InvalidOid)
elog(ERROR, "PL handler function %s() isn't of return type Opaque",
stmt->plhandler);
NameListToString(stmt->plhandler));
/*
* Insert the new language into pg_language
@ -109,13 +106,11 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
values[i++] = PointerGetDatum(languageName);
values[i++] = BoolGetDatum(true); /* lanispl */
values[i++] = BoolGetDatum(stmt->pltrusted);
values[i++] = ObjectIdGetDatum(procTup->t_data->t_oid);
values[i++] = ObjectIdGetDatum(procOid);
values[i++] = DirectFunctionCall1(textin,
CStringGetDatum(stmt->plcompiler));
nulls[i] = 'n'; /* lanacl */
ReleaseSysCache(procTup);
rel = heap_openr(LanguageRelationName, RowExclusiveLock);
tupDesc = rel->rd_att;